2KLH:
reference: Structural characterization of the mammalian deoxynucleotide N-hydrolase Rcl and its stabilizing interactions with two inhibitors., Yang Y, Padilla A, Zhang C, Labesse G, Kaminski PA, J Mol Biol. 2009 Dec 4;394(3):435-47. Epub 2009 Oct 12. PMID: 19822152

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